<template>
	<view class="common-car">
		<!-- <view style="width: 750upx;height: 176upx;">
			<image src="../../static/shangmen/bj.png" style="width: 750upx;height: 176upx;position: absolute;"></image>
			<view style="width: 750upx;height: 176upx;text-align: center;font-size: 36upx;line-height: 176upx;position: absolute;z-index: 1;color: #fff;">首页</view>
		</view> -->
		<view class="empty-shop-car" v-if="isEmpty">
			<image src="../../static/empty_shop_car.png" class="empty-shop-car-image" mode=""></image>
			<text>当前您的购物车是空的</text>
			<view class="empty-shop-car-btn">
				<text>去逛逛</text>
			</view>
		</view>
		<view class="shop-car" v-else>
			<view class="top">
				<view class="top_title">购物车</view>
				<view class="top_titles" @tap="cut">{{isCut?'编辑':'完成'}}</view>
			</view>
			<!-- <view class="shop-car-header">
				<text @tap="cut">{{isCut?'编辑':'完成'}}</text>
			</view> -->
			<view class="store-box" v-for="(itemq,indexq) in datas" :key="indexq">
				<!-- <view class="store-header">
					<image src="../../static/select.png" v-if="itemq.checked == 2" class="checked-image" mode="" @tap="storeCheck(indexq,itemq.checked)"></image>
					<image src="../../static/not_select.png" v-else class="checked-image" mode="" @tap="storeCheck(indexq,itemq.checked)">
					</image>
					<text>{{itemq.name}}</text>
					<image src="../../static/youjiantou1.png" class="label" mode=""></image>
				</view> -->
				<view class="goodsInfo"v-for="(itemw,indexw) in itemq.goods" :key="indexw">
					<image src="../../static/shangmen/9.png" mode="aspectFill" v-if="itemw.checked == 2" class="checked-image"
						 @tap="goodsCheck(indexq,indexw,itemw.checked)"></image>
					<image src="../../static/shangmen/10.png" v-else class="checked-image" mode="aspectFill"
						@tap="goodsCheck(indexq,indexw,itemw.checked)"></image>
					<view class="goodsInfo-right">
						<image :src="itemw.img" class="goods-image" mode="aspectFill" @click="goods_id_tap(itemw)"></image>
						<view class="goodsInfo-box">
							<text class="goods-name">{{itemw.title}}</text>
							<!-- <text class="spe">规格：{{itemw.remark}}</text> -->
							<view class="goods-box">
								<text class="goods-price">¥{{itemw.price}}</text>
								<view class="goods-num-box">
									<!-- <view class="goods-image" @click="subData(itemw)" @tap="sub(indexq,indexw,itemw.number,itemw)">
										<text>-</text>
									</view> -->
									<image class="goods-image" @click="subData(itemw)" @tap="sub(indexq,indexw,itemw.number,itemw)" src="../../static/shangmen/11.png"></image>
									<view class="goods-num">
										<text>{{itemw.number}}</text>
									</view>
									<!-- <view class="goods-image" @click="addData(itemw)" @tap="add(indexq,indexw,itemw.number,itemw)">
										<text>+</text>
									</view> -->
									<image class="goods-image" @click="addData(itemw)" @tap="add(indexq,indexw,itemw.number,itemw)" src="../../static/shangmen/12.png"></image>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
			<view class="statistics-box">
				<view class="statistics">
					<view class="statistics-left" v-if="statisticsIndex" @tap="allCheck">
						<image src="../../static/shangmen/9.png"  class="checked-image" mode="" >
						</image>
						<text>全选</text>
					</view>
					<view class="statistics-left" v-else @tap="allCheck">
						<image src="../../static/shangmen/10.png"  class="checked-image" mode="" >
						</image>
						<text>全选</text>
					</view>
					<view class="statistics-right" v-if="isCut" @tap="accounts">
						<text>合计:</text><text class="text-color">¥{{total}}</text>
						<view class="btn">
							<text>结算</text>
						</view>
					</view>
					<view class="statistics-right" v-else @tap="delect">
						<view class="btn">
							<text>删除</text>
						</view>
					</view>
				</view>
				<view class="gap"></view>
			</view>
		</view>
		<slot></slot>
	</view>
</template>

<script>
	export default {
		name: "commonCar",
		data() {
			return {
				isEmpty: true,
				iPhoneX: false,
				datas: {},
				statisticsIndex:false,
				total:0,
				isCut:true
			}
		},
		props: {
			list: {
				type: [Object, Array],
				default: {}
			}
		},
		created() {
			this.iPhoneX = uni.getStorageSync('iPhoneX')
			if (this.list.length == 0) {
				this.isEmpty = true
			} else {
				this.datas = this.list
				this.isEmpty = false
			}
		},
		methods: {
			//商品选择
			goodsCheck(storeIndex, goodsIndex, goodsChecked) {
				if (goodsChecked == 1) {
					this.datas[storeIndex].goods[goodsIndex].checked = 2
				} else {
					this.datas[storeIndex].goods[goodsIndex].checked = 1
				}
				//判断是否该店铺全选
				let storeChecked = true
				this.datas[storeIndex].goods.map((item,index)=>{
					if(item.checked == 1){
						storeChecked = false
					}
				})
				if(storeChecked == false){
					this.datas[storeIndex].checked = 1
				}else{
					this.datas[storeIndex].checked = 2
				}
				
				//判断是否全选
				let statisticsIndex = true
				this.datas.find((item,index)=>{
					if(item.checked == 1){
						statisticsIndex = false
					}
				})
				if(statisticsIndex == false){
					this.statisticsIndex = false
				}else{
					this.statisticsIndex = true
				}
				
				this.statistics()
			},
			//店铺选择
			storeCheck(storeIndex,storeCheck){
				if(storeCheck == 1){
					this.datas[storeIndex].checked = 2
					this.datas[storeIndex].goods.find((item,index)=>{
						item.checked = 2
					})
				}else{
					this.datas[storeIndex].checked = 1
					this.datas[storeIndex].goods.find((item,index)=>{
						item.checked = 1
					})
				}
				//判断是否全选
				let statisticsIndex = true
				this.datas.find((item,index)=>{
					if(item.checked == 1){
						statisticsIndex = false
					}
				})
				if(statisticsIndex == false){
					this.statisticsIndex = false
				}else{
					this.statisticsIndex = true
				}
				this.statistics()
			},
			//减少
			sub(storeIndex, goodsIndex, goodsnum,itemw){
				if(goodsnum == 1){
					return
				}else{
					this.datas[storeIndex].goods[goodsIndex].number--
				}
				this.statistics()
				this.$emit("subData", itemw.cart_id,itemw.number)
			},
			//增加
			add(storeIndex, goodsIndex, goodsnum,itemw){
				this.datas[storeIndex].goods[goodsIndex].number++
				this.statistics()
				this.$emit("addData", itemw.cart_id,itemw.number)
			},
			addData(itemw) {
				console.log('itemw',itemw)
				this.$emit("addData", itemw.cart_id,itemw.number)
			},
			subData(itemw) {
				this.$emit("subData", itemw.cart_id,itemw.number)
			},
			//全选
			allCheck(){
				if(this.statisticsIndex){
					this.datas.find((item,index)=>{
						item.checked = 1
						item.goods.find((itemq,indexq)=>{
							itemq.checked = 1
						})
					})
					this.statisticsIndex = false
				}else{
					this.datas.find((item,index)=>{
						item.checked = 2
						item.goods.find((itemq,indexq)=>{
							itemq.checked = 2
						})
					})
					this.statisticsIndex = true
				}
				this.statistics()
			},
			//统计
			statistics(){
				let total = 0
				this.datas.find((item,index)=>{
					item.goods.find((itemq,indexq)=>{
						if(itemq.checked == 2){
							total = total + itemq.price*itemq.number
						}
					})
				})
				this.total = total.toFixed(2)
				
			},
			cut(){
				this.isCut = !this.isCut
				this.statisticsIndex = true
				this.allCheck()
			},
			accounts(){
				let judge = this.judgeSelect()
				if(judge){
					this.$emit('delect',this.datas,this.isCut)
				}else{
					uni.showToast({
						title:'您当前未选择任何商品,结算失败',
						icon:'none'
					})
				}
			},
			delect(){
				let judge = this.judgeSelect()
				if(judge){
					console.log('judge',judge,this.datas)
					this.$emit('delect',this.datas,this.isCut)
				}else{
					uni.showToast({
						title:'您当前未选择任何商品,删除失败',
						icon:'none'
					})
				}
			},
			judgeSelect(){
				let judge = false
				this.datas.find((item,index)=>{
					item.goods.find((itemq,indexq)=>{
						if(itemq.checked == 2){
							judge = true
						}
					})
				})
				return judge
			},
			goods_id_tap(itemw) {
				uni.navigateTo({
					url:'../shop_details/shop_details?goods_id='+itemw.goods_id
				})
			},
		}
	}
</script>

<style lang="scss" scoped>
	.top{
		.top_titles{
			font-size: 26upx;
			color: #2B2B2B;
		}
		.top_title{
			font-size: 32upx;
			color: #2B2B2B;
		}
		display: flex;
		justify-content:space-between;
		width: 690upx;
		background: #FFFFFF;
		padding: 20upx 30upx 34upx 30upx;
		// position: fixed;
		position: absolute;
		top: 180upx;
		z-index: 9999;
	}
	.common-car {
		width: 750rpx;
		min-height: 100vh;
		// margin-top: 180upx;
		display: flex;
		flex-direction: column;
		align-items: center;
		background: #F5F5F5;
	}

	.empty-shop-car {
		width: 750rpx;
		min-height: 680rpx;
		display: flex;
		flex-direction: column;
		align-items: center;

		.empty-shop-car-image {
			width: 340rpx;
			height: 278rpx;
			margin-top: 102rpx;
		}

		text {
			margin-top: 40rpx;
			font-size: 28rpx;
			font-weight: 400;
			color: #666666;
		}

		.empty-shop-car-btn {
			width: 240rpx;
			height: 90rpx;
			background: #FBBC02;
			border-radius: 200rpx;
			margin-top: 40rpx;
			text-align: center;
			line-height: 90rpx;
			font-size: 30rpx;
			font-weight: 400;
			color: #313133;
		}
	}

	.shop-car {
		width: 750rpx;
		display: flex;
		flex-direction: column;
		align-items: center;

		.shop-car-header {
			width: 690rpx;
			height: 80rpx;
			display: flex;
			flex-direction: row;
			align-items: center;
			justify-content: flex-end;

			text {
				font-size: 28rpx;
				font-weight: 400;
				color: #313133;
			}
		}

		.store-box {
			width: 750rpx;
			margin-bottom: 120rpx;
			margin-top: 30upx;
			display: flex;
			flex-direction: column;
			align-items: center;
			background-color: #FFFFFF;

			.store-header {
				width: 690rpx;
				height: 78rpx;
				padding: 0 30rpx;
				display: flex;
				flex-direction: row;
				align-items: center;
				font-size: 28rpx;
				font-weight: 400;
				color: #313133;

				.checked-image {
					width: 36rpx;
					height: 36rpx;
				}

				text {
					font-size: 28rpx;
					font-weight: 400;
					color: #313133;
					margin-left: 20rpx;
				}

				.label {
					width: 14rpx;
					height: 24rpx;
					margin-left: 10rpx;
					margin-top: 5rpx;
				}
			}

			.goodsInfo {
				width: 690rpx;
				height: 246rpx;
				display: flex;
				flex-direction: row;
				align-items: center;
				border-bottom: 2rpx solid #EDEDED;

				&:nth-last-child(1) {
					border: none;
				}

				.checked-image {
					width: 36rpx;
					height: 36rpx;
				}

				.goodsInfo-right {
					width: 634rpx;
					height: 246rpx;
					margin-left: 20rpx;
					display: flex;
					flex-direction: row;
					align-items: center;

					.goods-image {
						width: 180rpx;
						height: 180rpx;
					}

					.goodsInfo-box {
						width: 428rpx;
						margin-left: 24rpx;
						display: flex;
						flex-direction: column;
						align-items: center;

						.goods-name {
							width: 428rpx;
							font-size: 26rpx;
							font-weight: 400;
							color: #313133;
						}

						.spe {
							width: 428rpx;
							margin-top: 10rpx;
							font-size: 24rpx;
							font-weight: 400;
							color: #919298;
						}

						.goods-box {
							width: 428rpx;
							margin-top: 18rpx;
							display: flex;
							flex-direction: row;
							align-items: center;
							justify-content: space-between;

							.goods-price {
								font-size: 32rpx;
								font-weight: 400;
								color: #F16625;
							}

							.goods-num-box {
								width: 168rpx;
								height: 46rpx;
								display: flex;
								flex-direction: row;
								align-items: center;

								.goods-image {
									width: 46rpx;
									height: 44rpx;
									text-align: center;
									line-height: 44rpx;
									// border: 1rpx solid #CFCFCF;
									font-size: 38rpx;
								}

								.goods-num {
									width: 76rpx;
									height: 44rpx;
									text-align: center;
									line-height: 44rpx;
									font-size: 33rpx;
									font-weight: 400;
									color: #666666;
									// border-top: 1px solid #CFCFCF;
									// border-bottom: 1px solid #CFCFCF;
								}
							}
						}
					}
				}
			}
		}

		.statistics-box {
			width: 750rpx;
			display: flex;
			flex-direction: column;
			align-items: center;
			background-color: #FFFFFF;
			position: fixed;
			bottom: 0;

			.statistics {
				width: 720rpx;
				padding: 0 0 0 30rpx;
				height: 98rpx;
				display: flex;
				flex-direction: row;
				align-items: center;
				justify-content: space-between;

				.statistics-left {
					width: 120rpx;
					display: flex;
					flex-direction: row;
					align-items: center;
					justify-content: space-between;

					image {
						width: 36rpx;
						height: 36rpx;
					}

					text {
						font-size: 30rpx;
						font-weight: 400;
						color: #313133;
					}
				}

				.statistics-right {
					width: 600rpx;
					display: flex;
					margin-top: 20upx;
					margin-right: 30upx;
					flex-direction: row;
					align-items: center;
					justify-content: flex-end;

					.btn {
						width: 188rpx;
						height: 80rpx;
						background: #1C336B;
						text-align: center;
						line-height: 80rpx;
						font-size: 30rpx;
						font-weight: 400;
						border-radius: 70rpx 70rpx 70rpx 70rpx;
						color: #fff;
						margin-left: 40rpx;
					}

					text {
						font-size: 30rpx;
						font-weight: 400;
						color: #fff;
					}

					.text-color {
						color: #F83B3C;
						font-size: 44upx;
					}
				}
			}

			.gap {
				width: 750rpx;
				height: 40rpx;
			}
		}
	}
</style>
